#5B191E#5B191E

#5B191E is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.3% C 0.096 H 20.1°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B191E
RGB	rgb(91, 25, 30)
HSL	hsl(355, 57%, 23%)
HSV	hsv(355, 73%, 36%)
CMYK	cmyk(0%, 72.5%, 67%, 64.3%)
CIE-LAB	lab(20.10, 30.45, 13.75)
CIE-LCH	lch(20.10, 33.41, 24.30°)
OKLab	oklab(32.3% 0.0903 0.0331)
OKLCH	oklch(32.3% 0.096 20.1)
XYZ	xyz(4.8968, 3.0138, 1.5519)
Luminance	0.0301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B191E #195B56

analogous

#5B193F #5B191E #5B3519

triadic

#5B191E #1E5B19 #191E5B

tetradic

#5B191E #3F5B19 #195B56 #35195B

square

#5B191E #3F5B19 #195B56 #35195B

split-complementary

#5B191E #195B35 #193F5B

monochromatic

#180708 #2B0C0E #5B191E #8B262E #BB333E

Accessibility & contrast

On white

13.10

#5B191E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#5B191E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B191E

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B191E	#FFFFFF	#000000	##FFFFFF
##5B191E	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281E

Deuteranopia (green-blind)

#3B361C

Tritanopia (blue-blind)

#64091B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b191e;
/* rgb */ color: rgb(91, 25, 30);
/* oklch */ color: oklch(32.3% 0.096 20.1);

Tailwind

colors: {
  custom: {
    50: '#8e5a59',
    500: '#5b191e',
    950: '#000000',
  },
}

SCSS

$custom: #5b191e;
$custom-light: #8e5a59;
$custom-dark: #000000;

JSON

{
  "hex": "#5b191e",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 30
  },
  "hsl": {
    "h": 355.455,
    "s": 56.897,
    "l": 22.745
  },
  "oklch": {
    "l": 0.323,
    "c": 0.09622,
    "h": 20.1
  },
  "luminance": 0.03013
}

Semantic roles & 50–950 ramp

primary

#5B191E

secondary

#3F918B

accent

#E0D548

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B191E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →